Fix accessing the errors property of the scan objects

Changelog: fixed
EE: true

ee/app/assets/javascripts/security_dashboard/components/pipeline/pipeline_security_dashboard.vue

@@ -66,7 +66,7 @@ export default {
       };
     },
     scansWithErrors() {
-      const getScans = (reportSummary) => reportSummary?.scans || [];
+      const getScans = (reportSummary) => reportSummary?.scans?.nodes || [];
       const hasErrors = (scan) => Boolean(scan.errors?.length);
 
       return this.securityReportSummary

ee/spec/frontend/security_dashboard/components/pipeline/pipeline_security_dashboard_spec.js

@@ -153,23 +153,29 @@ describe('Pipeline Security Dashboard component', () => {
       const securityReportSummary = {
         scanner_1: {
           // this scan contains errors
-          scans: [
+          scans: {
+            nodes: [
               { errors: ['scanner 1 - error 1', 'scanner 1 - error 2'], name: 'foo' },
               { errors: ['scanner 1 - error 3', 'scanner 1 - error 4'], name: 'bar' },
             ],
           },
+        },
         scanner_2: null,
         scanner_3: {
           // this scan contains errors
-          scans: [{ errors: ['scanner 3 - error 1', 'scanner 3 - error 2'], name: 'baz' }],
+          scans: {
+            nodes: [{ errors: ['scanner 3 - error 1', 'scanner 3 - error 2'], name: 'baz' }],
+          },
         },
         scanner_4: {
-          scans: [{ errors: [], name: 'quz' }],
+          scans: {
+            nodes: [{ errors: [], name: 'quz' }],
+          },
         },
       };
       const scansWithErrors = [
-        ...securityReportSummary.scanner_1.scans,
-        ...securityReportSummary.scanner_3.scans,
+        ...securityReportSummary.scanner_1.scans.nodes,
+        ...securityReportSummary.scanner_3.scans.nodes,
       ];
 
       beforeEach(() => {